/Engine/Source/Runtime/MovieSceneTracks/Public/Systems/MovieSceneQuaternionBlenderSystem.h
class UMovieSceneQuaternionBlenderSystem : public [UMovieSceneBlenderSystem](API\Runtime\MovieScene\EntitySystem\UMovieSceneBlenderSystem), public [IMovieSceneValueDecomposer](API\Runtime\MovieScene\EntitySystem\IMovieSceneValueDecomposer)